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Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua

Hydro power plant in Leon, Nicaragua. Approximate location 12.7158, -86.2798.

HydroLeonNicaraguaconventional storage

Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua is a 54 MW hydro power plant in Leon, Nicaragua. It is operated by Empresa Nicaragüense de Electricidad. Based on its capacity (estimated), it can supply roughly 54k homes (estimated). It ranks #14 of 19 Nicaragua power plants by installed capacity. Commissioned in 1970, it is around 56 years old — an older, legacy facility. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, hydro supplies about 14.4% of Nicaragua's electricity; the national grid averages 301 gCO₂/kWh (62.4% low-carbon) (2024).

54Source-backed capacity
54,462homes powered (est.)
1970commissioned (~56 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id GEODB0043592.

Data status

Known data

FacilityCarlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua WRI
CountryNicaragua · Leon WRI
Coordinates12.7158, -86.2798 WRI
FuelHydro WRI
MW installed capacity54 MW WRI source record; scope not independently normalised
OwnerEmpresa Nicaragüense de Electricidad WRI
Commissioned1970 WRI
Technologyconventional storage WRI

Calculated from dataset

Capacity rank in country#14 of 19 calculated
Fuel-specific rank in country#1 of 2 calculated
Homes-powered equivalent54,462 calculated
Climate25.8°C · HDD 0 derived from coordinates
Environmental severityC4 · 40/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: GEM tracker 2026 (location L100001023141); fuel: WRI source-record fuel

In context: how this plant compares

Technically it is described as conventional storage. Hydropower converts the energy of falling or flowing water into electricity; output depends on rainfall and reservoir level, and large dams also provide grid balancing and storage.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest hydro plants in Nicaragua

Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua: 54 MW54Carlos Fon…Centroamerica Hydroelectric Power Plant Nicaragua: 50 MW50Centroamer…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Empresa Nicaragüense de Electricidad.

Local climate & thermal context

This hydro plant converts the energy of falling or flowing water through hydro turbines. It sits in a tropical savanna climate (Köppen Aw) — Northern Hemisphere, latitude 12.7°N — which shapes how much energy it can produce and how its output varies through the year.

25.8°Cannual mean temp
0heating degree-days (base 18°C)
2,848cooling degree-days (base 18°C)
296 melevation

Monthly mean temperature

J: 25 °CJF: 26 °CFM: 27 °CMA: 27 °CAM: 27 °CMJ: 26 °CJJ: 26 °CJA: 26 °CAS: 25 °CSO: 25 °CON: 25 °CND: 25 °CD27 °C

This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
40/100environmental-severity index
2.8°Cseasonal temperature swing
61 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #1 largest hydro power plant of 2 in Nicaragua by capacity.

Nicaragua has 2 hydro power plants in this dataset, together about 104 MW of capacity.

Nearby power plants

Location

Coordinates 12.7158, -86.2798 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua?

Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua is a 54 MW source-record hydro power plant in Leon, Nicaragua, commissioned in 1970.

How many homes can Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua power?

Its output is enough to supply roughly 54,462 homes (estimated).

Who operates Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua?

Carlos Fonesca (Santa Barbara) Hydroelectric Power Plant Nicaragua is operated by Empresa Nicaragüense de Electricidad.

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